parent
75accc1cd2
commit
26db92adeb
398
warenkorb.php
398
warenkorb.php
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@ -1,95 +1,317 @@
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<!--
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TODO:
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- Seite ist noch nicht erreichbar
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- Jetzt reservieren Button nur klickbar machen, wenn Bücher im Warenkorb liegen
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- Löschbestätigung -> removeBookFromCart verschieben
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- ? Artikel (totale Anzahl aller Artikel)
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TODO (optional, geringe Priorität):
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- 80 Zeichen
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- JS Funktionen größtmöglich auslagern
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- Mengenfeld bearbeitbar machen
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- Layout verbessern (z.B. resize)
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-->
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<!DOCTYPE html>
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<?php
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<html>
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<head>
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<meta lang="de"/>
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<meta charset="utf-8"/>
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<meta name="viewport" content="device=device-width, initial-scaling=1"/>
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<link rel="Stylesheet" type="text/css" href="style.css"/>
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<link rel="Stylesheet" type="text/css" href="warenkorb.css"/>
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<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
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<title>Candle Bibliothek | Warenkorb</title>
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<link rel="icon" href="pictures/candle.png">
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<script src="notwendiges_laden.js" defer></script>
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</head>
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<body>
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<header id="header"></header>
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session_start();
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$db_link = mysqli_connect('localhost', 'web_b-3', 'een7Ao6s', 'bibliothek_candle', '3306');
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function runSQL($sql){
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global $db_link;
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$db_res = mysqli_query($db_link, $sql);
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if(!$db_res){
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header("Location: 404.html");
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exit;
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}
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return $db_res;
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}
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<!------------------------------------------------------------------------->
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if(isset($_POST['submit'])){
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$kartenid = $_POST['karten-id'];
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$passwort = $_POST['password'];
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<div class="hauptcontainer">
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<h1 id="shoppingCart_heading">Warenkorb</h1>
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<div id="secondary_container">
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<div id='cartItems_container'>
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<?php
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session_start();
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$existiert = runSQL("SELECT COUNT(*) FROM `benutzer` WHERE `KartenID` = '$kartenid' and `Passwort` = '$passwort'");
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$karteexistiert = runSQL("SELECT COUNT(*) FROM `benutzer` WHERE `KartenID` = '$kartenid'");
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$zeile = mysqli_fetch_array($karteexistiert);
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$row = mysqli_fetch_array($existiert);
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// Counter für Divider
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$counter = 0;
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// Überprüfen, ob Bücher im Warenkorb liegen
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if(isset($_SESSION['cart']) && !empty($_SESSION['cart'])) {
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// Es liegen Bücher im Warenkorb
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// Alle Elemente im Warenkorb durchgehen
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foreach ($_SESSION["cart"] as $key=>$item) {
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$quantity = $item['quantity'];
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if($row['COUNT(*)'] > 0){
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$_SESSION['eingeloggt'] = 1;
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$sql = '';
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echo '<html>
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<head>
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<meta lang="de"/>
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<meta charset="utf-8"/>
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<meta name="viewport" content="device=device-width, initial-scaling=1"/>
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<link rel="Stylesheet" type="text/css" href="style.css"/>
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<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
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<title>Candle Bibliothek | Warenkorb</title>
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<link rel="icon" href="pictures/candle.png">
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<script src="notwendiges_laden.js" defer></script>
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</head>
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<body style="background-color:#987554;">
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<header id="header"></header>
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<div class="main">
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<h1 id="warenkorbHeader">
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Warenkorb
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</h1>
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<div class="containerOfAll">
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</div>
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<!--Reservieren-->
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<div id="reservieren">
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<h2 id="ArtikelWarenkorb"> </h2>
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<a id="jetztReservieren" href="reservierung.php">Jetzt reservieren</a>
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</div>
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</div>
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<script>
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var widthissue = false;
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window.addEventListener("resize", function(event) {
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if(window.innerWidth > 800 && widthissue) {
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widthissue = false
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unset()
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}
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else if(window.innerWidth < 800) widthissue = true;
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})
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</script>
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<nav id="activeid" class="active"></nav>
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<footer id="footer" class="fuss" ></footer>
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</body>
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</html>';
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}else if($zeile['COUNT(*)'] > 0){
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header("Location: passwort_stimmt_nicht.php");
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}else{
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header("Location: benutzer_existiert_nicht.php");
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}
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}else{
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header("Location: 404.html");
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}
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$servername = "localhost";
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$username = "web_b-3";
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$password = "een7Ao6s";
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$dbname = "bibliothek_candle";
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?>
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$connection =
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mysqli_connect($servername, $username, $password, $dbname);
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if (!$connection) {
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die("Verbindung fehlgeschlagen: " . mysqli_connect_error());
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}
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/* SQL-Befehl vorbereiten */
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$sql = $connection->prepare("SELECT b.BuchID, b.Titel,
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b.Bild,
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GROUP_CONCAT(DISTINCT CONCAT(a.VorName, ' ', a.NachName)
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SEPARATOR ', ') AS 'Autor',
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IF(b.Anzahl!=0, 'Verfügbar', CONCAT('Verfügbar ab: ',
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(SELECT DATE_FORMAT(DATE_ADD(ab.Enddatum, INTERVAL 1 DAY)
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,'%d.%m.%Y') FROM `ausgeliehenes_buch` AS ab
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WHERE ab.BuchID = b.BuchID
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ORDER BY ab.Reserviert ASC, ab.Enddatum ASC LIMIT 1)))
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AS 'Verfügbarkeit' FROM `buch` AS b
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INNER JOIN `buch_verfasst_von_autor` AS bvva
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ON b.BuchID = bvva.BuchID
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INNER JOIN `autor` AS a ON bvva.AutorNr = a.AutorNr
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WHERE b.BuchID = ?
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GROUP BY b.BuchID;");
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// Parameter binden
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$sql->bind_param("i", $ID);
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// ID festlegen
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$ID = $key;
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// SQL-Befehl ausführen
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$sql->execute();
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// Ergebnis speichern
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$result = $sql->get_result();
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if ($counter != 0) {
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echo "<div class='divider'></div>";
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}
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if (mysqli_num_rows($result) > 0) {
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while($row = mysqli_fetch_assoc($result)) {
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$bookID = $row['BuchID'];
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$bookCover = $row['Bild'];
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$bookTitle = $row['Titel'];
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$bookAuthor = $row['Autor'];
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$bookAvailability = $row['Verfügbarkeit'];
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// TODO: OnClick auslagern.
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echo "<div id='book_container$bookID' class='book_container'
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onclick='open_bookDetails(this.id)'>
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<div class='bookCover_container'>
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<img class='bookCover'
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src='book_covers/$bookCover'
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alt='Kein Bild vorhanden'>
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</div>
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<div class='bookDetails_container'>
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<h2 class='bookTitle'>$bookTitle</h2>
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<div class='bookDetails'>
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<p class='author'>von $bookAuthor</p>
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</div>
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<div class='available_container'>
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<p id='available_$bookID' class='available'>
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$bookAvailability</p>
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<!--TODO: Auslagern-->
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<script type='text/javascript'
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language='JavaScript'>
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(function() {
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var currentElement = document.
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getElementById('available_$bookID');
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var parentDiv =
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currentElement.parentElement;
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if (currentElement.innerHTML.trim()
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== 'Verfügbar') {
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parentDiv.style.backgroundColor
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= '#70AD47';
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}
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else {
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parentDiv.style.backgroundColor
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= '#F34343';
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}
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})();
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</script>
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</div>
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</div>
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<!--TODO: OnClick Event auslagern-->
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<div class='quantity_container'>
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<div class='reduce_container'
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id='reduce$bookID'
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onclick='decreaseQuantity(this.id)'>
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<div class='reduce'></div>
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</div>
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<div class='quantityText_container'>
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<p class='quantityText'
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id='quantityText$bookID'>$quantity</p>
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</div>
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<div class='add_container'
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id='add$bookID'
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onclick='increaseQuantity(this.id)'>
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<div class='add'></div>
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</div>
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</div>
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<div class='trashCan_container'
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id='trashCan$bookID'
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onclick='removeBookFromCart(this.id)'>
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<div class='trashCan'></div>
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</div>
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</div>";
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$counter++;
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}
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} else {
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echo "Keine Ergebnisse.";
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}
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if (!$result) {
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die("Ungültige SQL-Abfrage: " . mysqli_connect_error());
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}
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mysqli_close($connection);
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$counter++;
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}
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}
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else {
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// Es liegen keine Bücher im Warenkorb
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echo
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"Der Warenkorb ist leer,
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bitte fügen Sie Bücher hinzu.";
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}
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?>
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</div>
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<div id='totalQuantity_container'>
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<div id='totalQuantityText_container'>
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<p id='totalQuantityText'>? Artikel</p>
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</div>
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<input type='button' id='reserveNow'
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onclick='open_reservation()' value='Jetzt reservieren'>
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</div>
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</div>
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</div>
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<!------------------------------------------------------------------------->
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<!-- TODO: Auslagern (falls möglich) -->
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<script>
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function open_bookDetails(ID) {
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var data = new URLSearchParams();
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data.append("bookID", ID);
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var url = "http://141.19.142.11/buch_details.php?" +
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data.toString();
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location.href = url;
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}
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function decreaseQuantity(ID) {
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// OnClick Event für open_bookDetails stoppen
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if (!e) var e = window.event;
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e.cancelBubble = true;
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if (e.stopPropagation) e.stopPropagation();
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// ID abtrennen
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ID = ID.replace('reduce', '');
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var request = new XMLHttpRequest();
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request.open('POST',
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'http://141.19.142.11/warenkorb_funktionen.php', true);
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// TODO: Handler erstellen
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request.onload = function() {
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console.log(this.responseText);
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// Überprüfen, ob die Menge im Warenkorb verringert wurde
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if (this.responseText.includes('Erfolgreich verringert')) {
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toChange = document.getElementById(`quantityText${ID}`);
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toChange.innerHTML = parseInt(toChange.innerHTML) - 1;
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}
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}
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request.setRequestHeader('Content-type',
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'application/x-www-form-urlencoded');
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request.send(`function=decreaseQuantity&id=${ID}`);
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}
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function increaseQuantity(ID) {
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// OnClick Event für open_bookDetails stoppen
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if (!e) var e = window.event;
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e.cancelBubble = true;
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if (e.stopPropagation) e.stopPropagation();
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// ID abtrennen
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ID = ID.replace('add', '');
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var request = new XMLHttpRequest();
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request.open('POST',
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'http://141.19.142.11/warenkorb_funktionen.php', true);
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// TODO: Handler erstellen
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request.onload = function() {
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console.log(this.responseText);
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// Überprüfen, ob die Menge im Warenkorb erhöht wurde
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if (this.responseText.includes('Erfolgreich erhöht')) {
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toChange = document.getElementById(`quantityText${ID}`);
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toChange.innerHTML = parseInt(toChange.innerHTML) + 1;
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}
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}
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request.setRequestHeader('Content-type',
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'application/x-www-form-urlencoded');
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request.send(`function=increaseQuantity&id=${ID}`);
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}
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function removeBookFromCart(ID) {
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// OnClick Event für open_bookDetails stoppen
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if (!e) var e = window.event;
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e.cancelBubble = true;
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if (e.stopPropagation) e.stopPropagation();
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// ID abtrennen
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ID = ID.replace('trashCan', '');
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var request = new XMLHttpRequest();
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request.open('POST',
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'http://141.19.142.11/warenkorb_funktionen.php', true);
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// TODO: Handler erstellen
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request.onload = function() {
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console.log(this.responseText);
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// Überprüfen, ob das Buch aus dem Warenkorb entfernt wurde
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if (this.responseText.includes('Erfolgreich entfernt')) {
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window.location.reload(true);
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}
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}
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request.setRequestHeader('Content-type',
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'application/x-www-form-urlencoded');
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request.send(`function=removeBookFromCart&id=${ID}`);
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}
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function open_reservation() {
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var url = "http://141.19.142.11/reservierung.php";
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location.href = url;
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}
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</script>
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<!------------------------------------------------------------------------->
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<!--Link JS file-->
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<script src="burgerIcon.js"></script>
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<!--If it was small and got big,
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it calls the function only one time and doesn't do it all the time-->
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<script>
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var widthissue = false;
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window.addEventListener("resize", function(event) {
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if(window.innerWidth > 800 && widthissue) {
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widthissue = false
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unset()
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}
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else if(window.innerWidth < 800) widthissue = true;
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})
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</script>
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<nav id="activeid" class="active"></nav>
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<footer id="footer" class="fuss" ></footer>
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</body>
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</html>
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